Finding the Fourth Proportional to 1,474,543,337.28, 2,211,799,866.75 and 852,362,679.12
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Solution
The fourth proportional to 1,474,543,337.28, 2,211,799,866.75 and 852,362,679.12 is: 1,278,535,267.45
Step by Step Solution
- Step 1: Write the proportion equation
1,474,543,337.28 : 2,211,799,866.75 = 852,362,679.12 : x - Step 2: Convert to fraction form
1,474,543,337.28/2,211,799,866.75 = 852,362,679.12/x - Step 3: Cross multiply
1,474,543,337.28x = 2,211,799,866.75 × 852,362,679.12 - Step 4: Simplify right side
1,474,543,337.28x = 1,885,255,660,100,289,024 - Step 5: Solve for x
x = 1,885,255,660,100,289,024/1,474,543,337.28 - Step 6: Final answer
x = 1,278,535,267.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.